Home / 17,236.50-25,855.28-5,390.70

Finding the Fourth Proportional to 17,236.50, 25,855.28 and 5,390.70

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Solution

The fourth proportional to 17,236.50, 25,855.28 and 5,390.70 is: 8,086.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,236.50 : 25,855.28 = 5,390.70 : x
  2. Step 2: Convert to fraction form
    17,236.50/25,855.28 = 5,390.70/x
  3. Step 3: Cross multiply
    17,236.50x = 25,855.28 × 5,390.70
  4. Step 4: Simplify right side
    17,236.50x = 139,378,030.94
  5. Step 5: Solve for x
    x = 139,378,030.94/17,236.50
  6. Step 6: Final answer
    x = 8,086.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.